package io.renren.modules.knowledge.service;

import io.renren.modules.knowledge.entity.KnowledgeEntity;

import java.util.List;
import java.util.Map;

public interface KnowledgeService {
    List<KnowledgeEntity> getDirection(Map<String, Object> params);

    void saveCoursesRelactionShip(Long startId, Long endId);

    void delCourseAndShip(Long deleteId);

    void delCourseAndShipNoNodes(Long deleteId);
}
